Dust removal device for negative pressure pipe of vibrating screen

Abstract

The utility model relates to a dust removal device for a negative pressure pipe of a vibrating screen. A water-cooling screw conveyor is arranged above a disc screening machine; an outlet of the water-cooling screw conveyor is connected with an inlet of the disc screening machine; a fine slag particle storage device is arranged below the disc screening machine; an outlet of the disc screening machine is connected to an inlet of the fine slag particle storage device; the disc screening machine and the fine slag particle storage device are connected to an inlet of a secondary fan through negative pressure pipes; the problems that a cloth bag is seriously abraded due to the fact that slag discharging dust contains a large amount of fine quartz sand components, dust is frequently abraded on the site, and dust is raised on the site due to the fact that the cloth bag of a cloth bag dust remover in an existing vibrating screen dust removal device is seriously abraded, dust is frequently raised on the site due to the fact that the cloth bag of the cloth bag dust remover is frequently abraded, and equipment frequently breaks down are solved. The environment is polluted, and the environment is out of control.

Description

Technical Field

[0001] The embodiments of this utility model relate to a dust removal device for a vibrating screen, and more particularly to a dust removal device for a negative pressure pipe of a vibrating screen. Background Technology

[0002] In existing vibrating screen dust removal devices, bag filters are generally used for dust removal. However, the slag powder from the waste incinerator contains a large amount of fine quartz sand, which causes severe wear on the filter bags, frequently resulting in dust generation on-site, causing frequent equipment failures, and polluting the environment, leading to environmental control problems. Utility Model Content

[0003] The purpose of this utility model is to provide a dust removal device using a negative pressure pipe for vibrating screens, which uses the negative pressure at the inlet of a secondary fan to introduce dust from the vibrating screen and the silo pump into the incinerator, where the dust settles naturally in the slow-flow area of ​​the flue gas and is then discharged.

[0004] To achieve the above objectives, the present invention provides a dust removal device for a vibrating screen negative pressure pipe, comprising:

[0005] Disc screener;

[0006] A water-cooled screw conveyor is installed above the disc screen; and the outlet of the water-cooled screw conveyor is connected to the inlet of the disc screen.

[0007] A fine slag particle storage device is provided below the disc screener; the outlet of the disc screener is connected to the inlet of the fine slag particle storage device.

[0008] A secondary air blower is connected to the inlet of the secondary air blower via a negative pressure pipe on the disc screen and the fine slag particle storage device;

[0009] The outlet of the secondary air fan is connected to the incinerator.

[0010] Furthermore, in the vibrating screen negative pressure pipe dust removal device described in this utility model, the disc screener is a fine slag particle screener.

[0011] Furthermore, in the vibrating screen negative pressure pipe dust removal device of this utility model, a discharge port is opened on the side of each layer of the disc screen.

[0012] Furthermore, in the vibrating screen negative pressure pipe dust removal device of this utility model, the particle size of the disc screener is 1mm-2mm.

[0013] Furthermore, in the vibrating screen negative pressure pipe dust removal device of this utility model, a connecting pipe is provided above the water-cooled screw conveyor, and the connecting pipe is connected to the slag discharge port of the calcining furnace.

[0014] Furthermore, in the dust removal device of the vibrating screen negative pressure pipe described in this utility model, a cleaning valve is provided at each end of the water-cooled screw conveyor.

[0015] Furthermore, in the vibrating screen negative pressure pipe dust removal device of this utility model, a shut-off valve is provided on one side of the bottom of the fine slag particle storage device, and compressed air is connected to the shut-off valve.

[0016] Furthermore, in the vibrating screen negative pressure pipe dust removal device of this utility model, a gate valve is provided on one side of the bottom of the fine slag particle storage device, and a manual gate plate is provided on the gate valve.

[0017] Furthermore, in the dust removal device of the vibrating screen negative pressure pipe described in this utility model, a manual ball valve is connected to the negative pressure pipe.

[0018] Furthermore, in the vibrating screen negative pressure pipe dust removal device described in this utility model, the vibrating screen negative pressure pipe dust removal device is connected between the slag discharge port of the calcining furnace and the incinerator.

[0019] Compared with the prior art, the embodiment of this utility model includes a water-cooled screw conveyor installed above the disc screen; the outlet of the water-cooled screw conveyor is connected to the inlet of the disc screen; a fine slag particle storage device is installed below the disc screen; the outlet of the disc screen is connected to the inlet of the fine slag particle storage device; the disc screen and the fine slag particle storage device are connected to the inlet of a secondary air fan via a negative pressure pipe; the outlet of the secondary air fan is connected to the incinerator. This utility model solves the problem that the slag dust contains a large amount of fine quartz sand, which causes severe wear on the filter bags, frequently resulting in dust pollution on site. It addresses the issue that while existing vibrating screen dust removal devices generally use bag filters, the slag powder from the waste incinerator contains a large amount of fine quartz sand, causing severe wear on the filter bags, frequent dust pollution on site, frequent equipment failures, and environmental pollution, leading to environmental out-of-control conditions. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the various embodiments of this utility model will be described in detail below with reference to the accompanying drawings. However, those skilled in the art will understand that many technical details have been provided in the various embodiments of this utility model to facilitate a better understanding of this application. However, the technical solutions claimed in the claims of this application can be implemented even without these technical details and with various variations and modifications based on the following embodiments.

[0022] The embodiments of this utility model relate to a dust removal device for a vibrating screen negative pressure pipe, such as... Figure 1 As shown, it includes:

[0023] In this embodiment, the dust removal device of the vibrating screen negative pressure pipe is equipped with a disc screener 1; the disc screener 1 is mainly used to screen the slag powder according to its coarseness using the centrifugal force of the rotating disc.

[0024] A water-cooled screw conveyor 2 is installed above the disc screen 1; and the outlet of the water-cooled screw conveyor 2 is connected to the inlet of the disc screen 1; the water-cooled screw conveyor 2 is used to transport the slag powder to the disc screen 1.

[0025] Fine slag particle storage device 3 is installed below the disc screen 1; the outlet of the disc screen 1 is connected to the inlet of the fine slag particle storage device 2.

[0026] The disc screen 1 and the fine slag particle storage device 3 are connected to the inlet of the secondary air fan 4 via a negative pressure pipe 5; the secondary air fan 4 mainly transports the floating dust coming out of the disc screen 1 and the fine slag particle storage device 3 to the incinerator 6.

[0027] The outlet of the secondary air blower 4 is connected to the incinerator 6. The incinerator 6 is used for secondary incineration of the dust from the fine slag particles.

[0028] The dust removal device of the vibrating screen negative pressure pipe in this embodiment solves the problem that the slag dust contains a large amount of fine quartz sand, which causes severe wear on the filter bags and frequent dust generation on site. It realizes that in the existing dust removal devices of vibrating screens, filter bags are generally used for dust removal. However, the slag powder from the waste incinerator contains a large amount of fine quartz sand, which causes severe wear on the filter bags, frequent dust generation on site, frequent equipment failures, and environmental pollution, resulting in environmental out of control.

[0029] To achieve the aforementioned technical effects, the vibrating screen negative pressure pipe dust removal device in this embodiment, such as... Figure 1 As shown, disc screen 1 is a fine slag particle screening machine.

[0030] To achieve the aforementioned technical effects, the vibrating screen negative pressure pipe dust removal device in this embodiment, such as... Figure 1As shown, a discharge port 11 is provided on the side of each layer of the disc screen 1. The discharge port 11 is used to discharge the slag powder that meets the requirements.

[0031] To achieve the aforementioned technical effects, the vibrating screen negative pressure pipe dust removal device in this embodiment, such as... Figure 1 As shown, the disc screener 1 can screen particles of 1mm-2mm.

[0032] To achieve the aforementioned technical effects, the vibrating screen negative pressure pipe dust removal device in this embodiment, such as... Figure 1 As shown, a connecting pipe 21 is installed above the water-cooled screw conveyor 2, and the connecting pipe 21 is connected to the slag discharge port 22 of the calcining furnace.

[0033] To achieve the aforementioned technical effects, the vibrating screen negative pressure pipe dust removal device in this embodiment, such as... Figure 1 As shown, a cleaning valve 23 is installed at each end of the water-cooled screw conveyor 2. The cleaning valve 23 is used to clean up the accumulated material at both ends of the water-cooled screw conveyor 2 in case of malfunction.

[0034] To achieve the aforementioned technical effects, the vibrating screen negative pressure pipe dust removal device in this embodiment, such as... Figure 1 As shown, a shut-off valve 31 is installed on one side of the bottom of the fine slag particle storage device 3, and compressed air is connected to the shut-off valve 31. The shut-off valve 31 is used to switch on and off during compressed air purging.

[0035] To achieve the aforementioned technical effects, the vibrating screen negative pressure pipe dust removal device in this embodiment, such as... Figure 1 As shown, a gate valve 32 is installed on one side of the bottom of the fine slag particle storage device 3, and a manual gate plate 33 is installed on the gate valve 32. The gate valve 32 is used to open and close the fine slag particle storage device 3 to bag the fine slag particles.

[0036] To achieve the aforementioned technical effects, the vibrating screen negative pressure pipe dust removal device in this embodiment, such as... Figure 1 As shown, a manual ball valve 51 is connected to the negative pressure pipe 5. The manual ball valve 51 is used to control the switching of the negative pressure on the negative pressure pipe 5.

[0037] To achieve the aforementioned technical effects, the vibrating screen negative pressure pipe dust removal device in this embodiment, such as... Figure 1 As shown, in this embodiment, the vibrating screen negative pressure pipe dust removal device is connected between the slag discharge port 22 of the calcining furnace and the incinerator 6.

[0038] Those skilled in the art will understand that the above embodiments are specific examples of implementing the present invention, and in practical applications, various changes can be made to them in form and detail without departing from the spirit and scope of the present invention.

Claims

1. A dust removal device for a vibrating screen negative pressure pipe, characterized in that, include: Disc screener; A water-cooled screw conveyor is installed above the disc screener. The outlet of the water-cooled screw conveyor is connected to the inlet of the disc screen. A fine slag particle storage device is provided below the disc screener; the outlet of the disc screener is connected to the inlet of the fine slag particle storage device. A secondary air blower is connected to the inlet of the secondary air blower via a negative pressure pipe on the disc screen and the fine slag particle storage device; The outlet of the secondary air fan is connected to the incinerator.

2. The dust removal device for a vibrating screen negative pressure pipe according to claim 1, characterized in that, The disc screener is a fine slag particle screener.

3. The dust removal device for a vibrating screen negative pressure pipe according to claim 2, characterized in that, A discharge port is opened on the side of each layer of the disc screening machine.

4. The dust removal device for a vibrating screen negative pressure pipe according to claim 3, characterized in that, The disc screener can screen particles of 1mm-2mm.

5. The dust removal device for a vibrating screen negative pressure pipe according to claim 1, characterized in that, A connecting pipe is installed above the water-cooled screw conveyor, and the connecting pipe is connected to the slag discharge port of the calcining furnace.

6. The dust removal device for a vibrating screen negative pressure pipe according to claim 5, characterized in that, A cleaning valve is installed at each end of the water-cooled screw conveyor.

7. The dust removal device for a vibrating screen negative pressure pipe according to claim 1, characterized in that, A shut-off valve is installed on one side of the bottom of the fine slag particle storage device, and compressed air is connected to the shut-off valve.

8. The dust removal device for a vibrating screen negative pressure pipe according to claim 7, characterized in that, A gate valve is installed on one side of the bottom of the fine slag particle storage device, and a manual gate plate is installed on the gate valve.

9. The dust removal device for a vibrating screen negative pressure pipe according to claim 1, characterized in that, A manual ball valve is connected to the negative pressure pipe.

10. The dust removal device for a vibrating screen negative pressure pipe according to any one of claims 1-9, characterized in that, The aforementioned vibrating screen negative pressure pipe dust removal device is connected between the slag discharge port of the calcining furnace and the incinerator.

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